Debate Intensifies in Washington Over Ballot Measure Requiring Physical Documentation for K-12 Girls’ Sports


As Washington voters weigh Initiative 26-638 ahead of the Nov. 3, 2026, election, the measure has emerged as a sharp policy fight over how schools would police eligibility for K–12 girls’ sports: it would bar students the initiative defines as “biologically male” from competing in female athletic programs and require a health care provider to verify sex assigned at birth through documentation tied to reproductive anatomy, genetics, or endogenous testosterone.
That framework has placed privacy concerns and medical ethics at the center of the debate, because the initiative would insert provider certification into ordinary sports-clearance procedures.
The initiative puts privacy and medical ethics at the forefront by folding provider certification into routine sports-clearance procedures.
The measure directs schools to obtain a signed statement from a health care provider and contemplates verification through a genital exam, cheek-swab genetic test, or blood testosterone test.
Yet the text leaves major operational questions unanswered: it doesn’t specify who’d administer tests, who’d bear the cost, what standards would govern disputed cases, or how records would be stored and protected. Those omissions have become a core policy criticism.
Supporters, led by Lets Go Washington, argue the initiative would protect competitive fairness and preserve Title IX opportunities for about 110,000 girls participating in Washington middle- and high-school sports.
Financially, that message has reached voters with a substantial advantage; campaign filings show the pro-initiative committee has raised roughly $6.96 million, including $2.225 million from donor Brian Heywood.
Opponents, including No Hate in WA State and allied education and civil-rights groups, say the verification regime is invasive, medically unnecessary, and likely to deter participation.
Medical experts also dispute the initiative’s underlying assumptions, warning that chromosome and testosterone testing don’t neatly determine “biological sex” for all individuals.
Because standard sports physicals typically don’t include genital exams, critics say the proposal would create new privacy, safety, and administrative burdens for schools with uncertain legal and clinical consequences.
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